Mona Lisa painting was seen in "Sue Ellen Moves In"
Mona Lisa painting seen in "That's a Baby Show!"
The Mona Lisa is a painting by Leonardo da Vinci, created in the early 16th century. It appears in various Arthur episodes.
In a fantasy in "Sue Ellen Moves In", Sue Ellen breaks into the Louvre to steal the painting.
In the Library Card Reprise in "Arthur's Almost Live Not Real Music Festival", Prunella briefly looks like the Mona Lisa.
In "Fifteen", Pal believes that Marcel Duchamp's L.H.O.O.Q., which is based on the Mona Lisa, is part of a plan by an evil group of cats.
In "Buster the Lounge Lizard", Dark Bunny's alter ego has a copy of the Mona Lisa in his apartment. The eyes flash when Dark Bunny is needed.
In a fantasy in "The Case of the Girl with the Long Face" an unnamed cat burglar steals the Mona Lisa's frame from the Louvre, but leaves the painting behind. Mona Lisa looks annoyed.
Mona Lisa painting seen in "Fifteen"